Alert archive / Alabama / Tornado Warnings in 2009
Tornado Warning 98, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Apr 19, 2009, 9:28 PM CDT for 4 counties in Alabama. It was in force for 47 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 19, 2009, 9:28 PM CDT (02:28 UTC)
- Expired
- Apr 19, 2009, 10:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Calhoun County, AL, Cherokee County, AL, Etowah County, AL, St. Clair County, AL
The radar
The Northeast Alabama radar (KHTX), 109 km from the middle of the area, began a volume at 02:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 19, 9:45 PM CDT | TSTM WND DMG | Ohatchee, AL | ONE TREE REPORTED DOWN IN THE CITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 19, 8:45 PM CDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 2.5 hours before the alert went out and 117 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 225 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 490 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 466 m²/s²
- 0-3 km storm-relative helicity
- 529 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KBMX 200228 TORBMX ALC015-019-055-115-200315- /O.NEW.KBMX.TO.W.0098.090420T0228Z-090420T0315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 928 PM CDT SUN APR 19 2009 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN ST. CLAIR COUNTY IN CENTRAL ALABAMA... NORTHERN CALHOUN COUNTY IN EAST CENTRAL ALABAMA... THIS INCLUDES THE CITY OF JACKSONVILLE... SOUTHWESTERN CHEROKEE COUNTY IN NORTHEAST ALABAMA... SOUTHERN ETOWAH COUNTY IN NORTHEAST ALABAMA... THIS INCLUDES THE CITIES OF...RAINBOW CITY...MARKTON...HOKES BLUFF...GADSDEN... * UNTIL 1015 PM CDT * AT 920 PM CDT...THE PUBLIC REPORTED DAMAGE NEAR HIGHLAND LAKES IN BLOUNT COUNTY.. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OHATCHEE...ATTALLA...NOCCALULA FALLS...GADSDEN MALL...GLENCOE AND ANDERSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT MONDAY MORNING FOR ALABAMA. && LAT...LON 3413 8573 3378 8563 3377 8626 3398 8631 TIME...MOT...LOC 0227Z 254DEG 24KT 3389 8620 $$
1 follow-up statement
000 WWUS54 KBMX 200239 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 939 PM CDT SUN APR 19 2009 ALC015-019-055-115-200315- /O.CON.KBMX.TO.W.0098.000000T0000Z-090420T0315Z/ CALHOUN AL-ST. CLAIR AL-ETOWAH AL-CHEROKEE AL- 939 PM CDT SUN APR 19 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR SOUTHWESTERN CHEROKEE...SOUTHEASTERN ETOWAH...NORTHEASTERN ST. CLAIR AND NORTHERN CALHOUN COUNTIES... AT 938 PM CDT...A TORNADO WAS REPORTED. THIS TORNADO WAS LOCATED NEAR WILLIAMS...OR NEAR MARKTON...MOVING EAST AT 30 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAINBOW CITY...SOUTHSIDE...NOCCALULA FALLS...GADSDEN...GADSDEN MALL...BIG WILLS CREEK...NORTHSIDE...GADSDEN STEAM PLANT...GADSDEN WATER WORKS...GLENCOE...COBB CITY...ANDERSON...HOKES BLUFF...JACKSONVILLE AND REAVES PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT MONDAY MORNING FOR ALABAMA. && LAT...LON 3380 8614 3402 8613 3413 8573 3378 8563 TIME...MOT...LOC 0239Z 256DEG 25KT 3389 8606 $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 7:00 PM CDT | Tornado Warning | BMX | Shelby | 60 min |
| Apr 19, 7:05 PM CDT | Tornado Warning | BMX | St. Clair, Shelby, Talladega | 55 min |
| Apr 19, 7:28 PM CDT | Tornado Warning | BMX | Greene, Hale | 47 min |
| Apr 19, 7:33 PM CDT | Severe Thunderstorm Warning | BMX | Clay, Cleburne, Randolph | 42 min |
| Apr 19, 7:38 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Jefferson, Tuscaloosa, Walker | 52 min |
| Apr 19, 7:44 PM CDT | Tornado Warning | BMX | Autauga, Chilton, Coosa, Elmore | 46 min |
| Apr 19, 7:47 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Clay, Cleburne, Randolph, Talladega | 43 min |
| Apr 19, 7:47 PM CDT | Tornado Warning | BMX | Jefferson, Walker | 17 min |
| Apr 19, 7:52 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Etowah, Jefferson, Walker | 38 min |
| Apr 19, 8:10 PM CDT | Tornado Warning | BMX | Bibb, Hale, Perry | 65 min |
| Apr 19, 8:13 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cleburne, Talladega | 47 min |
| Apr 19, 8:21 PM CDT | Tornado Warning | BMX | Coosa, Tallapoosa | 37 min |
| Apr 19, 8:23 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Cherokee, Etowah, Jefferson, St. Clair, Tuscaloosa and 1 more | 52 min |
| Apr 19, 8:48 PM CDT | Tornado Warning | BMX | Bullock, Macon | 42 min |
| Apr 19, 9:01 PM CDT | Tornado Warning | BMX | Blount, Calhoun, Etowah, St. Clair | 29 min |
| Apr 19, 9:12 PM CDT | Tornado Warning | BMX | Autauga, Bibb, Chilton, Dallas, Perry | 48 min |
| Apr 19, 9:13 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 32 min |
| Apr 19, 9:21 PM CDT | Tornado Warning | BMX | Lee, Macon, Russell | 54 min |
| Apr 19, 9:51 PM CDT | Tornado Warning | BMX | Calhoun, Clay, Cleburne, Randolph, Talladega | 54 min |
| Apr 19, 9:51 PM CDT | Tornado Warning | BMX | Lee, Russell | 54 min |
| Apr 19, 10:06 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Cleburne, Etowah | 39 min |
| Apr 19, 10:31 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Coosa, Elmore, Tallapoosa | 44 min |
| Apr 19, 11:13 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Tallapoosa | 47 min |
Nearby
Tornado Warnings in Alabama, 2009Every tornado warning in 2009Tornadoes in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.